APA aipamena

Aaron, H. J. (1986). Economic choices 1987. Brookings Institution.

Chicago Style aipamena

Aaron, Henry J. Economic Choices 1987. Washington, D.C.: Brookings Institution, 1986.

MLA aipamena

Aaron, Henry J. Economic Choices 1987. Brookings Institution, 1986.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.